US Bridges

Round Hill RD over Trib of Moniteau C

FairPosted for load

Moniteau County, Missouri · S 10 T 45 N R 17 W · Structure no. 14799

Built
1930
95 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
15
2024 count
Owner
County
County Highway Agency

About this bridge

Round Hill RD over Trib of Moniteau C is a steel stringer/multi-beam or girder carrying Round Hill RD over Trib of Moniteau C in Moniteau County, Missouri. It was built in 1930, so it is 95 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 15 vehicles a day, roughly 10% of them trucks, projected to reach 21 by 2044. The structure is 42 ft (12.8 m) long and 16 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRound Hill RD
CrossesTrib of Moniteau C
LocationS 10 T 45 N R 17 W
RouteCounty Highway 76
Coordinates38.67678, -92.76417
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.8 US tons
Inventory rating12.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length42 ft (12.8 m)
Longest span40 ft (12.2 m)
Deck width16 ft (5 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (2024)
Projected traffic21 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$249,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Round Hill RD over Trib of Moniteau C built?

It was built in 1930, making it 95 years old in 2025.

What condition is Round Hill RD over Trib of Moniteau C in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does Round Hill RD over Trib of Moniteau C carry?

About 15 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Round Hill RD over Trib of Moniteau C?

The structure is 42 ft (12.8 m) long with a longest span of 40 ft (12.2 m) and a deck 16 ft wide.

Who owns Round Hill RD over Trib of Moniteau C?

It is owned by the County Highway Agency.